556005 has 16 divisors (see below), whose sum is σ = 900864. Its totient is φ = 292800.

The previous prime is 555967. The next prime is 556007. The reversal of 556005 is 500655.

It is not a de Polignac number, because 556005 - 2⁶ = 555941 is a prime.

It is a Curzon number.

556005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (56304).

2⁵⁵⁶⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

556005 is a deficient number, since it is larger than the sum of its proper divisors (344859).

556005 is a wasteful number, since it uses less digits than its factorization.

556005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 556005 is about 745.6574280459. The cubic root of 556005 is about 82.2292316752.

The spelling of 556005 in words is "five hundred fifty-six thousand, five".